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Authors
- Lautenbach, Louis J., author1
- Lavista, Rafael, author1
- Layton, Thomas, author1
- Lazear, Jesse William, 1866-1900, author2
- Lários, Felipe, author1
- LeMonnier, Y. R. (Yves Reni), 1843-1928 author1
- Leal, Francisco de P., author1
- Leaman, H. (Henry), 1839- author1
- Leaming, James R. (James Rosebrugh), 1820-1892 author2
- Lederman, M. D. (Moses David), 1868-1952 author3
- Lee, Benjamin, 1833-19131
- Lee, Benjamin, 1833-1913 author2
- Lee, Charles A. (Charles Alfred), 1801-1872 author1
- Lee, Charles Carroll, 1839-1893 author1
- Lee, Robert, 1793-18771
- Lefferts, George Morewood, 1846-1920 author1
- Lehlbach, Charles F. J., 1835-1895 author1
- Leidy, Joseph, Jr., 1866-19325
- Leighton, Alton W. (Alton Winslow), 1857-1920 author1
- Leisering, F., author1